12260849209 has 16 divisors (see below), whose sum is σ = 14055100416. Its totient is φ = 10477328400.

The previous prime is 12260849203. The next prime is 12260849231. The reversal of 12260849209 is 90294806221.

It is a happy number.

It is not a de Polignac number, because 12260849209 - 2³ = 12260849201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12260849201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4070514 + ... + 4073524.

It is an arithmetic number, because the mean of its divisors is an integer number (878443776).

Almost surely, 2^12260849209 is an apocalyptic number.

It is an amenable number.

12260849209 is a deficient number, since it is larger than the sum of its proper divisors (1794251207).

12260849209 is an equidigital number, since it uses as much as digits as its factorization.

12260849209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4596.

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 12260849209 in words is "twelve billion, two hundred sixty million, eight hundred forty-nine thousand, two hundred nine".